Devices/mTaskTCP.icl

   1 implementation module Devices.mTaskTCP
   2
   3 import GenPrint
   4 import StdDebug
   5 import Devices.mTaskDevice
   6 import iTasks
   7
   8 derive class iTask TCPSettings
   9 derive gPrint MTaskMSGRecv
  10
  11 getmTaskTCPDevice :: Task MTaskResource
  12 getmTaskTCPDevice = TCPDevice <$> enterInformation "Settings" []
  13
  14 instance MTaskDuplex TCPSettings where
  15         synFun :: TCPSettings (Shared Channels) -> Task ()
  16         synFun s channels =
  17                 tcpconnect s.host s.port channels {ConnectionHandlers|
  18                                 onConnect=onConnect,
  19                                 whileConnected=whileConnected,
  20                                 onDisconnect=onDisconnect} @! ()
  21                 where
  22                         onConnect :: String ([MTaskMSGRecv],[MTaskMSGSend],Bool) -> (MaybeErrorString String, Maybe ([MTaskMSGRecv],[MTaskMSGSend],Bool), [String], Bool)
  23                         onConnect _ (msgs,send,sendStopped) = (Ok "", Just (msgs,[],sendStopped), map encode send, False)
  24
  25                         whileConnected :: (Maybe String) String ([MTaskMSGRecv], [MTaskMSGSend],Bool) -> (MaybeErrorString String, Maybe ([MTaskMSGRecv],[MTaskMSGSend],Bool), [String], Bool)
  26                         whileConnected Nothing _ (_,[],_) = (Ok "", Nothing, [], False)
  27                         whileConnected md _ (msgs,send,sendStopped)
  28                         = (Ok "", Just (msgs++map decode (maybeToList md),[],sendStopped), map encode send, False)
  29
  30                         onDisconnect :: String ([MTaskMSGRecv],[MTaskMSGSend],Bool) -> (MaybeErrorString String, Maybe ([MTaskMSGRecv],[MTaskMSGSend],Bool))
  31                         onDisconnect _ (msgs,send,sendStopped) = (Ok "", Nothing)